Answer:
adding by 5
Step-by-step explanation:
,...............................
3(41x+400) simplified = 123x+1200
Answer:
x=2
Step-by-step explanation:
First, subtract four on both sides and then divide both sides by 2 to get x=2.
2x+4=8
<em>-4 -4</em>
2x=4
<em>÷ 2 ÷2 </em>
<u>x=2</u>
Answer:
4 sisters
Step-by-step explanation:
-This is a logic question.
-Given that she has 3 sisters, it only means that the 4 are siblings of the same family.
-As such, eaxh sister can correctly claim to have 3 sisters.
Hence, there is a total of 4 sisters.
Answer:
9 cm^2
Step-by-step explanation:
If the perimeter of the square is 12 cm, then the length of ONE side is (1/4) of that, or 3 cm.
The area of this square is A = s^2, where s is the length of one side.
Here we have A = (3 cm)^2 = 9 cm^2.